{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>show_img</title>
    <link rel="stylesheet" href="{% static 'css/mysheet.css' %}">
</head>
<body>
<img src="{% static 'img/you.jpg' %}" alt="没有图片"  height="100px" width="100px">
<img src="{% static 'img/you.jpg' %}" alt="没有图片" id="img">
{#/static/img/you.jpg#}

<p>我爱python</p>
</body>
</html>